The thing is that ammonia, like alkali, enhances the properties of alkaline powders.
Measure out 30-40 milliliters of ammonia and then pour it into the drum of the washing machine. Next, add inexpensive powder to the compartment and run the wash as usual.
By the way, in addition to clean things, this method helps restore them to their former brightness. Try it, you will definitely be pleased with the result!